HYDRO27385

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/20/1997
• Doc Name: 3rd Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Micha 1 A7 av'11a DATE: 09/25/97
NPDES I.D. NO.: 1Q/A
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 06/27/9]
SITE NAME: .c_nill Control Pond No. 7 LOCATION: NWT NE34i sec. 34 T6N R87W
MINE NAME: san a M;^ rr (s n a _oa7 -ol LOCATION: 7.1 mi. SE of Haydgn sO
MINE I.D. NO.: CDMG Perm+t No. C-80-005 OWNER'S REP.: Brad Brown, Gen Mq~
1. Foundation preparation (removal of vegetation, stumps, topsoil: es No N/A
2. Lift thickness: in.
3. compaction according to approved plan: Yee No
4. Burning (specify extent and location): Yes No
5. Angle of elope: upstream, downstream Total = _
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No
At isolated points on embankment slopes: Yea N/A
At natural hillside: Yes N/A
Over widespread areas: Yes .erg
cTyOi N/A
From downstream foundation area: Yea ~ N/A
"Boils" beneath stream or ponded water: Yes o N/A
7. Cracks or scarps on treat: Yes No N/A
8. Cracks or scarps on elope: Yes ® N/A
9. Sloughing or bulging on elope: Yes ~ N/A
10. *Major erosion problems: Yee ® N/A
11. Surface movements in valley bottom or on hillside: Yes ®° N/A
12. *Eroeion of toe: Yee ,,l~~^^ N/A
13. *Water impounded against toe: Yee ~
No N/A
14. Existing embankment freeboard: see comments 6.c feet
15. Increase ~ Decrease in water level: _ O.5 feet
16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
17. Visible sumps or sinkholes in Blurry surface: Yee No
18. *Clogging
Spillway channels and pipes: Yes ~ N A
Decant system: Yes No
Diversion ditches: Yes No
19. *Cracking or crushing of pipes
Spillway pipes: Yee No
Decant system: Yes No
20. Trash racks clear and in place: Yea No
*Major adverse changes in these items could cause instability and should be reported to the
Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted
in these items should normally be described (extent, location, volume, etc.) in the apace on
the back of this sheet.